2 and 1/9 = 2.1111 .... recurring
0.2222
One ninth in decimal form is approximately 0.111111.
Assuming "nineth" is your failed attempt to spell ninth, the answer is 0.111... repeating.
It is: 1/9 = 0.1111... recurring as a decimal
1/9 = 0.1111111 . . .
3/9 = 3 ÷ 9 = 0.3333 in decimal
Second nineth
The answer you seek is... 1/9
22.22%
1/9 ÷ 2/3 = 1/6
11.11.....
2.666666666666666667